Home / 2,453.90-3,385.40-1,458.81

Finding the Fourth Proportional to 2,453.90, 3,385.40 and 1,458.81

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Solution

The fourth proportional to 2,453.90, 3,385.40 and 1,458.81 is: 2,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.90 : 3,385.40 = 1,458.81 : x
  2. Step 2: Convert to fraction form
    2,453.90/3,385.40 = 1,458.81/x
  3. Step 3: Cross multiply
    2,453.90x = 3,385.40 × 1,458.81
  4. Step 4: Simplify right side
    2,453.90x = 4,938,648.08
  5. Step 5: Solve for x
    x = 4,938,648.08/2,453.90
  6. Step 6: Final answer
    x = 2,012.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.